Home / 114,061.11-171,032.99-66,686.64

Finding the Fourth Proportional to 114,061.11, 171,032.99 and 66,686.64

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Solution

The fourth proportional to 114,061.11, 171,032.99 and 66,686.64 is: 99,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,061.11 : 171,032.99 = 66,686.64 : x
  2. Step 2: Convert to fraction form
    114,061.11/171,032.99 = 66,686.64/x
  3. Step 3: Cross multiply
    114,061.11x = 171,032.99 × 66,686.64
  4. Step 4: Simplify right side
    114,061.11x = 11,405,615,098.82
  5. Step 5: Solve for x
    x = 11,405,615,098.82/114,061.11
  6. Step 6: Final answer
    x = 99,995.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.